OT-2026-000028645
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000028645) never changes.
Identity and time
| Publication number | OT-2026-000028645 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-7a6a-810e-79c31c6ce51a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028645 |
| Status | PUBLIC |
Content hashes
| Canonical text | 78fc66865d9c31a542d8bc999e9f2e1ae01033098c6bc640434594b92f5b190d |
|---|---|
| Markdown | 34c05541a573d249ca586d34b8a478784f77581a5de69204e521a306b0840440 |
| Publication page | e60b3edbd1f9230368a354140d624b2b15b771db9d5df09f164df6118bb30af8 |
| Manifest | 521eb670a6a60505f2458173656068dd11cf5cf74551db8102af72039f40c6a5 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | pNub4WE6McmAOtJQwWszAFg06UXAc56u81isVTgGCba19bJY/DOy4gyizYpCEdbXY0spxa3EkJncnh9GoQsFAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:41:31.107227Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028645observed e60b3edbd1f9230368a354140d624b2b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:31.086665Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028645/manifest.jsonobserved 521eb670a6a60505f2458173656068dd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:31.069557Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028645/publication.mdobserved 34c05541a573d249ca586d34b8a47878...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:31.052070Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028645/publication.txtobserved 78fc66865d9c31a542d8bc999e9f2e1a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|